Dr. Anthony J. DiMarino Jr.

The son of a prominent physician, Anthony J. DiMarino Jr., MD, was born in Camden, New Jersey. A graduate of the University of Pennsylvania, Dr. DiMarino earned his medical degree from Hahnemann Medical College, where he was elected a member of the Alpha Omega Alpha (AOA) Medical Honor Society. 

Dr. Anthony J. DiMarino Jr. completed his internal medicine residency and fellowship in gastroenterology at the Hospital of the University of Pennsylvania and served on its full-time faculty. From 1986 to 1996, Dr. DiMarino was the Chief of Gastroenterology and Director of the Gastrointestinal Institute at Presbyterian/University of Pennsylvania Medical Center, as well as Clinical Professor of Medicine at the University of Pennsylvania. In April of 1996, Dr. DiMarino was named the William Rorer Professor of Medicine and Chief of the Division of Gastroenterology and Hepatology at Jefferson.

A preeminent consultative gastroenterologist, Dr. DiMarino has been honored as “Physician of the Year” by the Delaware Valley Chapter of the Crohn’s & Colitis Foundation of America and as a “Top Doc” in Philadelphia Magazine from 1991 through 2007. He is a Fellow in the American Gastroenterological Association. From 2004 to 2006, he was Co-Chair and Director of the AGA Division Chiefs Association and in 2003 and 2007, he received the largest number of nominations from a poll of 2,000 physicians in the Delaware Valley Consumer’s Check Book magazine. In 2006 and 2007 he was named by Castle Connolly Medical, Ltd. as one of America’s “Best Doctors.”

Dr. DiMarino’s research interests have primarily been in the areas of esophageal, gastric, and small intestinal motility; inflammatory bowel disease (Crohn’s disease and ulcerative colitis); celiac disease; and the safety of gastrointestinal endoscopy. He is the author of the “White Paper,” which remains the standard for reprocessing endoscopic gastrointestinal instruments to protect patient safety between procedures.

As the Chief of the Division of Gastroenterology and Hepatology at Jefferson, Dr. DiMarino directs the clinical program, whose 20-physician clinical faculty evaluates over 45,000 patients and produces over 90 publications and over 200 oral presentations annually. He is also responsible for the gastroenterology/hepatology education of Jefferson Medical College students, internal medicine residents, and gastrointestinal fellows.

Dr. DiMarino and his wife, Dorothy, have five sons: Anthony III, James, Michael, Mark and Keith and 12 grandchildren.